In 2020 Apple, Microsoft, Amazon, Google and Facebook had a 21.7% share of the S&P 500
25%
20
15
10
1970s top five
IBM,
AT&T,
General Motors,
Standard Oil,
Eastman Kodak
2000s
General Electric,
Exxon Mobil,
Pfizer,
Cisco Systems,
Citigroup
5
0
1970
1980
1990
2000
2010
2020
25% share of S&P 500
In 2020 Apple, Microsoft, Amazon, Google and Facebook had a 21.7% share of the S&P 500
20
15
10
1980s
IBM,
AT&T,
Exxon,
Amoco,
Schlumberger
1990s
IBM,
Exxon Mobil,
General Electric,
Philip Morris,
Royal Dutch Shell
1970s top five
IBM,
AT&T,
General Motors,
Standard Oil,
Eastman Kodak
2000s
General Electric,
Exxon Mobil,
Pfizer,
Cisco Systems,
Citigroup
2010s
Exxon Mobil,
Apple
Microsoft
General Electric
Chevron
5
0
1970
1980
1990
2000
2010
2020
25% share of S&P 500
In 2020 Apple, Microsoft, Amazon, Google and Facebook had a 21.7% share of the S&P 500
20
15
10
1970s top five
IBM,
AT&T,
General Motors,
Standard Oil,
Eastman Kodak
1980s
IBM,
AT&T,
Exxon,
Amoco,
Schlumberger
2000s
General Electric,
Exxon Mobil,
Pfizer,
Cisco Systems,
Citigroup
2010s
Exxon Mobil,
Apple
Microsoft
General Electric
Chevron
1990s
IBM,
Exxon Mobil,
General Electric,
Philip Morris,
Royal Dutch Shell
5
0
1970
1980
1990
2000
2010
2020